Sprint LG G Flex 2 set to receive an update but still no Marshmallow

Update: Sprint just came up with more details on the update, thanks to which now we know for sure that it is NOT Marshmallow, and that’s its build no. is LS996ZVB. As for the changelog, the Sprint G Flex 2 ZVB update brings Google’s April security fixes, Android’s May security bulletin, preloads and updated Roaming UI.